2016年10月25日

BP, Gradient descent and Generalisation

摘要: For each training pattern presented to a multilayer neural network, we can computer the error: yd(p)-y(p) Sum-Squared Error squaring and summing acros 阅读全文

posted @ 2016-10-25 16:08 归海七音 阅读(186) 评论(0) 推荐(0)

2016年10月3日

Personal Leetcode solution(Java)36-40

摘要: Valid Number Core: Regular, Test Case WordLadderII Core: Use BFS to find the shortest distance between start and end, Use DFS to output paths with the 阅读全文

posted @ 2016-10-03 21:40 归海七音 阅读(307) 评论(0) 推荐(0)

2016年9月24日

Multilayer Neural Networks and the Backpropagation Learning Algorithm

摘要: A multilayer perceptron is a feedforward neural network with one or more hidden layers. The network consists of an input layer of source neurons, at l 阅读全文

posted @ 2016-09-24 11:53 归海七音 阅读(443) 评论(0) 推荐(0)

2016年9月23日

Machine Learning Review_Models(McCullah Pitts Model, Linear Networks, MLPBP)

摘要: McCullah Pitts Model Perceptron Model Step: 1. initialise weight value 2. present input vector and obtain net input with 3. calculate output(with bina 阅读全文

posted @ 2016-09-23 10:43 归海七音 阅读(347) 评论(0) 推荐(0)

2016年9月17日

Python library note-collection

摘要: Reference: https://docs.python.org/2/library/collections.html namedtuple() factory function for creating tuple subclasses with named fields deque list 阅读全文

posted @ 2016-09-17 20:51 归海七音 阅读(214) 评论(0) 推荐(0)

2016年9月14日

Personal Leetcode solution(Python) 21-35

摘要: 个人刷Leetcode的一点解法,欢迎批评讨论,每日更新 GitHub: Excel Sheet Column Number Reference: ord(...) ord(c) -> integer Return the integer ordinal of a one-character str 阅读全文

posted @ 2016-09-14 17:35 归海七音 阅读(252) 评论(0) 推荐(0)

2016年9月8日

Personal Leetcode solution(Python) 1~20

摘要: 个人刷Leetcode的一点解法,欢迎批评讨论,每日更新 GitHub: singleNumber Core: A XOR B XOR A XOR C XOR B = C Core: Serializing String Value, then descending the list Core: S 阅读全文

posted @ 2016-09-08 22:34 归海七音 阅读(483) 评论(0) 推荐(0)

2016年4月25日

Note for Computer Networks_Circuit Switching & Packet Switching

摘要: Packet Switching: - In a packet switched network data is transmitted in blocks(packets), typically less than 1KB in length. - Each packet contains a c 阅读全文

posted @ 2016-04-25 08:51 归海七音 阅读(319) 评论(0) 推荐(0)

Note for Computer Networks

摘要: Network Hardware 1. A computer network is a collection of computers connected by communication links 2. communication link: 1.Point to Point 2.Broadca 阅读全文

posted @ 2016-04-25 07:33 归海七音 阅读(234) 评论(0) 推荐(0)

2016年3月16日

Note for Defensive Programming

摘要: 1.Check Parameters 参数检查 –Don’t trust the inputs –Fail quickly and cleanly –Document exceptions that will be thrown including unchecked exceptions -For 阅读全文

posted @ 2016-03-16 03:14 归海七音 阅读(140) 评论(0) 推荐(0)

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